Home / 1,958,100.60-2,936,433.27-678,377.55

Finding the Fourth Proportional to 1,958,100.60, 2,936,433.27 and 678,377.55

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Solution

The fourth proportional to 1,958,100.60, 2,936,433.27 and 678,377.55 is: 1,017,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,100.60 : 2,936,433.27 = 678,377.55 : x
  2. Step 2: Convert to fraction form
    1,958,100.60/2,936,433.27 = 678,377.55/x
  3. Step 3: Cross multiply
    1,958,100.60x = 2,936,433.27 × 678,377.55
  4. Step 4: Simplify right side
    1,958,100.60x = 1,992,010,407,441.09
  5. Step 5: Solve for x
    x = 1,992,010,407,441.09/1,958,100.60
  6. Step 6: Final answer
    x = 1,017,317.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.